Silicone moldmaking material is a rubber base and a catalyst that when combined will harden around your original object and create a perfect imprint. When the original is removed you can now make duplicate copies of your original. We sell a very high quality silicone because your project is important.

RPD122 is the most popular. This is a 10:1 mix by weight and demold time is 24 hours.

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Silicone moldmaking material is also known as RTV silicones. Room temperature vulcanization rubber is what RTV stands for. These silicone rubber materials are 2 part kits. The base is the rubber and the catalyst is the hardener. These R.T.V. moldmaking materials come in many durometers.

​Moldmaking Materials

RPD 260 - This is a 2 component room temperature addition cure silicone that is great for